Home / 127,981.65-176,625.84-70,626.36

Finding the Fourth Proportional to 127,981.65, 176,625.84 and 70,626.36

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Solution

The fourth proportional to 127,981.65, 176,625.84 and 70,626.36 is: 97,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,981.65 : 176,625.84 = 70,626.36 : x
  2. Step 2: Convert to fraction form
    127,981.65/176,625.84 = 70,626.36/x
  3. Step 3: Cross multiply
    127,981.65x = 176,625.84 × 70,626.36
  4. Step 4: Simplify right side
    127,981.65x = 12,474,440,161.14
  5. Step 5: Solve for x
    x = 12,474,440,161.14/127,981.65
  6. Step 6: Final answer
    x = 97,470.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.